01
BEBelgium
A secure and private email suite with integrated OpenPGP encryption, digital signatures, and office tools based in Belgium.
02
CHSwitzerland
End-to-end encrypted email based in Switzerland. Industry leader in secure, private email.
04
DEGermany
Privacy-focused encrypted email, calendar, and contacts service with post-quantum cryptography.
Alt to:Gmail, Outlook, Skype (Calendar/Contacts)
Outlook alternatives compared
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| Service | Headquarters | Data hosting | EU data residency | Low Cloud Act exposure | Open source |
|---|---|---|---|---|---|
| mailfence | Belgium | Not stated | No | Yes | No |
| Proton Mail | Switzerland | Not stated | No | Yes | No |
| StartMail | Netherlands | Netherlands | Yes | Yes | No |
| Tuta Mail | Germany | Germany | Yes | Yes | No |
Frequently asked questions about Outlook alternatives
What are the best EU alternatives to Outlook?+
The EU Alternatives Directory lists 4 European alternatives to Outlook, including mailfence, Proton Mail, StartMail. Each one is checked for European headquarters and data protection practices.
Why switch from Outlook to an EU alternative?+
An EU-based alternative keeps your data under European jurisdiction and GDPR. It reduces exposure to the US Cloud Act and foreign data access laws.
Are EU alternatives to Outlook as good?+
Many EU alternatives to Outlook offer comparable features, with the added benefit of European data residency and digital sovereignty.
How are these Outlook alternatives verified?+
We check the legal entity, country of headquarters and hosting locations. Only providers based in the EU, EEA, UK, Switzerland or Ukraine are listed.